Limerick Operators Take Unit 2 Offline to Replace Steam Valves

Operators at Exelon’s Limerick Generating Station took Unit 2 offline at approximately noon EDT today to allow workers to replace a valve on the plant’s steam piping system.

POTTSTOWN, PA – Operators at Exelon’s Limerick Generating Station took Unit 2 offline at approximately noon EDT today to allow workers to replace a valve on the plant’s steam piping system. Station operators closely monitor performance of plant equipment and made the determination to replace the valve to ensure the continued reliable operation of the plant.

Plant personnel will complete the maintenance and test the system before returning Unit 2 to service. The repairs can only be performed with the plant offline.

Limerick Unit 1 continues to operate at full power. Limerick Generating Station is located approximately 21 miles northwest of Philadelphia. With both units at full power, the site can produce enough carbon-free electricity for 2 million homes.

###

About Exelon

Exelon Corporation (NYSE:EXC) is the nation’s leading competitive energy provider, with approximately $33 billion in annual revenues. Headquartered in Chicago, Exelon has operations and business activities in 47 states, the District of Columbia and Canada. Exelon is the largest competitive U.S. power generator, with approximately 35,000 megawatts of owned capacity comprising one of the nation’s cleanest and lowest-cost power generation fleets. The company’s Constellation business unit provides energy products and services to approximately 100,000 business and public sector customers and approximately 1 million residential customers. Exelon’s utilities deliver electricity and natural gas to more than 6.6 million customers in central Maryland (BGE), northern Illinois (ComEd) and southeastern Pennsylvania (PECO).